# uppercase the value of field 'foo' if all members of 'oogly' have the value 'doogly'
if all_match(oogly.*, "doogly")
upcase(foo) # foo => 'BAR'
end
# case insensitive search for 'doogly' in all 'oogly'
if all_match(oogly.*, "(?i)doogly")
...
end